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Precise measurement of the branching fractions for B-s(0) -> D-s(()*()+) D-s(()*()-) and first measurement of the D-s*(+) D-s*(-) polarization using e(+)e(-) collisionsopen access
- Authors
- Esen, S.; Schwartz, A. J.; Aihara, H.; Asner, D. M.; Aushev, T.; Bakich, A. M.; Belous, K.; Bhuyan, B.; Bozek, A.; Bracko, M.; Browder, T. E.; Chekelian, V.; Chen, A.; Chen, P.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, I. -S.; Cho, K.; Choi, Y.; Dalseno, J.; Danilov, M.; Dolezal, Z.; Drutskoy, A.; Eidelman, S.; Feindt, M.; Gaur, V.; Haba, J.; Hara, T.; Hayashii, H.; Horii, Y.; Hoshi, Y.; Hou, W. -S.; Hsiung, Y. B.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwabuchi, M.; Iwasaki, Y.; Iwashita, T.; Julius, T.; Kang, J. H.; Kawasaki, T.; Kiesling, C.; Kim, H. O.; Kim, K. T.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Koblitz, S.; Kodys, P.; Korpar, S.; Kouzes, R. T.; Krizan, P.; Krokovny, P.; Kuhr, T.; Kumita, T.; Kwon, Y. -J.; Lee, S. -H.; Li, J.; Li, Y.; Libby, J.; Liu, C.; Liu, Y.; Liventsev, D.; Louvot, R.; McOnie, S.; Miyata, H.; Mizuk, R.; Mohapatra, D.; Moll, A.; Muramatsu, N.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Ng, C.; Nishida, S.; Nishimura, K.; Nitoh, O.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Pedlar, T. K.; Pestotnik, R.; Petric, M.; Piilonen, L. E.; Roehrken, M.; Ryu, S.; Sakai, Y.; Santel, D.; Santelj, L.; Sanuki, T.; Sato, Y.; Schneider, O.; Schwanda, C.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Smerkol, P.; Sohn, Y. -S.; Sokolov, A.; Solovieva, E.; Stanic, S.; Staric, M.; Sumiyoshi, T.; Tatishvili, G.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Vahsen, S. E.; Vanhoefer, P.; Varner, G.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamaoka, J.; Yamashita, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.
- Issue Date
- Feb-2013
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.87, no.3, pp.1 - 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 87
- Number
- 3
- Start Page
- 1
- End Page
- 6
- ISSN
- 1550-7998
- Abstract
- We have made a precise measurement of the absolute branching fractions of B-s(0) -> D-s(()*()+) D-s(()*()-) decays using 121.4 fb(-1) of data recorded by the Belle experiment running at the Upsilon(5S) resonance. The results are B(B-s(0) -> D-s(+) D-s(-)) = 0.58(-0.09)(+0.11) +/- 0.13)%, B(B-s(0) -> D-s*(+/-) D-s(-/+)) = (1.76(-0.22)(+0.23) +/- 0.40)%, and B(B-s(0) -> D-s*(+) D-s*(-)) = (1.98(-0.31-0.50)(+0.33+0.52))%; the sum is B(B-s(0) -> D-s(()*()+) D-s(()*()-)) = (4.32(-0.39-1.03)(+0.42+1.04))%. Assuming B-s(0) -> D-s(()*()+) D-s(()*()-) saturates decays to CP-even final states, the branching fraction constrains the ratio Delta Gamma(s)/cos phi(12), where Delta Gamma(s) is the difference in widths between the two B-s-(B) over bar (s) mass eigenstates, and phi(12) is the CP-violating phase in B-s-(B) over bar (s) mixing. We also measure for the first time the longitudinal polarization fraction of B-s(0) -> D-s*(+) D-s*(-); the result is 0.06(-0.17)(+0.18) +/- 0.03.
- Appears in
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)